add my presentation

talked on 27 Mar 2014 at http://atnd.org/events/48075
Merge pull request #5 from kwappa/kwappa-github-nyan

add my presentation
Add a kani_b's presentation
Merge pull request #6 from kanny/add_my_slide

Add a kani_b's presentation
Sort presentations by alphabetical ord
Add con_mame presentation
Merge pull request #7 from conmame/patch-1

Add con_mame presentation
Add COOKPAD and test automation.
Merge pull request #8 from cookpad/cookpad_and_test_automation

Add COOKPAD and test automation.